Most influential containment policy, Kennan: USSR aggressively seeks to expand communism globally, Mr. X Article, CONTAIN USSR at every point where the Russians show signs of encroaching upon the interests of a peaceful and stable world

Collective security pact among Western European postwar allies and the US; first peacetime military alliance since the Revolutionary War; member nations backed each other up; Germany divided: Federal Republic of Germany, Democratic Republic of Germany. USSR responded with Warsaw Pact

China lobby: "Losing China" China wasn't recognized at UN

Presidential commitment of US troops without approval established a precedent for the future, Expanded US involvement in Asia, Troops stationed in South Korea throughout the Cold War, Permanent state of mobilization